{
    "id": "CVE-2011-1944",
    "published": "2011-09-02 16:55:03",
    "last_modified": "2026-06-16 23:30:26",
    "cvss_score": "9.3",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-189",
    "description": "Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.",
    "epss_score": "0.13432",
    "epss_percentile": "0.96319",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "xmlsoft",
            "product": "libxml"
        },
        {
            "vendor": "xmlsoft",
            "product": "libxml2"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "35810",
            "title": "libxmlInvalid 2.7.x - XPath Multiple Memory Corruption Vulnerabilities",
            "date": "2011-05-31",
            "url": "https://www.exploit-db.com/exploits/35810"
        }
    ],
    "refs_list": [
        "http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041",
        "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html",
        "http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.html",
        "http://lists.opensuse.org/opensuse-updates/2011-07/msg00035.html",
        "http://rhn.redhat.com/errata/RHSA-2013-0217.html",
        "http://scarybeastsecurity.blogspot.com/2011/05/libxml-vulnerability-and-interesting.html",
        "http://secunia.com/advisories/44711",
        "http://support.apple.com/kb/HT5281",
        "http://support.apple.com/kb/HT5503",
        "http://ubuntu.com/usn/usn-1153-1",
        "http://www.debian.org/security/2011/dsa-2255",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:131",
        "http://www.openwall.com/lists/oss-security/2011/05/31/8",
        "http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html",
        "http://www.osvdb.org/73248",
        "http://www.redhat.com/support/errata/RHSA-2011-1749.html",
        "http://www.securityfocus.com/bid/48056",
        "https://bugzilla.redhat.com/show_bug.cgi?id=709747",
        "http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4",
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041",
        "http://lists.apple.com/archives/security-announce/2012/May/msg00001.html",
        "http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.html"
    ]
}